How to convert my windows 7 settings from .NET 3.5 to .NET 4.5 in order to setup a primavera program

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.NET4.5

i have new laptop with win 7 ,, x64 ,,, the .net installed is .net 3.5 and an application need .net 4.5 ,,, how to upgrade

What I have tried:

features of windows ,,, make .net 3.5 active and download .net 4.5 ,,, but did not work

Posted 20-May-16 10:44am

Member 12536407

Updated 20-May-16 11:16am

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Dave Kreskowiak · Answer 1 · 2016-05-20T11:16:00

Solution 1

Uhhh, just download the .NET 4.5.2 installer[^] and install it?

Posted 20-May-16 11:16am

Dave Kreskowiak

Comments

Member 12536407 20-May-16 18:33pm

I tried .NET 4.5.2 but did not succeed because HRESULT 0xc8000222 , so how can i deal with that

Dave Kreskowiak 20-May-16 18:36pm

You're getting that probably because you're not installing it as an admin. Right-click the installer pick "Run as administrator".

Member 12536407 20-May-16 18:46pm

the same result ,,,

Member 12536407 20-May-16 18:47pm

should i do some thing with the windows feature ( on - off )

Dave Kreskowiak 20-May-16 22:25pm

The feature should have nothing to do with this.

Does this Win7 machine have SP1 installed? If not, you MUST install it.

Member 12536407 21-May-16 7:00am

the problem was solved through this link
http://digita7seven.blogspot.com.eg/2012/11/how-to-fix-error-hresult-0xc8000222-net.html
thank you Dave Kreskowiak for your help.
Alaa